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Appraisal Video: (1:00)

GUEST: This was built by my great-great-grandfather. They built this for the Columbian exhibition in 1893. And they won a third prize for their entry. He was a German immigrant, master locksmith in the European Gild System, which is quite an accomplishment.

APPRAISER: As we can see from this, he was very skilled. And as an exhibition piece, which is what this is, it was meant to display the breadth of their work. And you could see how accomplished he was by the fact that two years after he emigrates to the United States, he is commissioned to produce the stairwell for the Statue of Liberty. Wrought iron isn't the most collected thing there is, but I think at auction we could expect it to bring $1,500, $2,500. And it might very well do more than that.